Test your basic knowledge |

DSST Physical Sciences Principles

Subjects : dsst, science

Instructions:

Answer 31 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Electrical energy can be converted to...
263 degrees kelvin
Newtons second principle of Universal Gravitation
Mechanical - chemical - and radiant energy
Remains unchanged

2. Electric power companies step up the voltage of generated power for transmission across the country because higher voltage...
Heat of fusion
Momentum
5 m/s
Means less power is transmitted

3. When you add heat to a substance - its temperature...
Might stay the same
Halogen radicals interfering in ozone synthesis
Disorder
Difference between the heat supplied and the heat exhausted

4. If a charging elephant has kinetic energy - it must also have...
Movement
Momentum
Disorder
Halogen radicals interfering in ozone synthesis

5. The weight of one kilogram of iron on earth is...
263 degrees kelvin
Less on the moon
Remains unchanged
Waves and particles

6. Circular motion requires centripetal force
Momentum
First principle of Centripetal force
Increasing speed and constant acceleration
Less on the moon

7. The gravitational force - two masses are directly proportional to the mass of each object
Twice the work
Sulfur
Increases the energy
Newtons second principle of Universal Gravitation

8. Increasing the frequency of light
Remains unchanged
Increases the energy
Halogen radicals interfering in ozone synthesis
Might stay the same

9. The work that a heat engine is able to accomplish is ideally equivalent to the
Momentum
12 miles per hour
Difference between the heat supplied and the heat exhausted
Sulfur

10. A ship travels 3 miles in 15 minutes what is its speed in miles per hour...
263 degrees kelvin
12 miles per hour
Mechanical - chemical - and radiant energy
Newtons second principle of Universal Gravitation

11. Heat is the...
Less on the moon
Total internal energy of an object
5 m/s
Universal

12. Neglecting air resistance - a ball in free fall near the earth's surface will have...
Increasing speed and constant acceleration
Newtons third principle of Universal Gravitation
Less on the moon
12 miles per hour

13. In a generator - the flow of electrons (current) is created by...
Disorder
Less on the moon
Movement
Increases the energy

14. All objects with mass are attracted to another by the gravitational force
Newtons first principle of Universal Gravitation
Momentum
12 miles per hour
Increasing speed and constant acceleration

15. In burning coal - what contaminant is of major concern as a pollutant...
Sulfur
Difference in the sped of light in water vs. air
Newtons third principle of Universal Gravitation
Waves and particles

16. The ozone hole results from...
Might stay the same
Halogen radicals interfering in ozone synthesis
Movement
Disorder

17. The heat involved in the change of phase of phase from solid ice to liquid water is called...
263 degrees kelvin
Heat of fusion
Increasing speed and constant acceleration
Remains unchanged

18. The theoretical production curve of oil indicates oil production is...
Movement
Near a maximum
Difference between the heat supplied and the heat exhausted
Newtons second principle of Universal Gravitation

19. Electromagnetic radiation can be viewed as...
Waves and particles
Near a maximum
Universal
First principle of Centripetal force

20. A temperature of -10 degrees celsius is equivalent to...
Near a maximum
263 degrees kelvin
Decreased
Movement

21. At a given speed - the centripetal force - the smaller the circle.
Near a maximum
Third principle of Centripetal force
Second principle of Centripetal force
Newtons third principle of Universal Gravitation

22. The reason that a spear fisherman cannot see where the fish is actually located is...
12 miles per hour
Remains unchanged
Difference in the sped of light in water vs. air
Twice the work

23. The larger the centripetal force - the faster an object travels in a circle of a given size
Second principle of Centripetal force
Difference between the heat supplied and the heat exhausted
Movement
Waste heat for secondary uses

24. A 5 kg fish that is swimming toward it at a velocity that brings both fish to a halt. What is the speed of the smaller fish?
Newtons third principle of Universal Gravitation
Increasing speed and constant acceleration
Waste heat for secondary uses
5 m/s

25. From the 50's and to the 70's - the pH of rain in the northeast had..
Second principle of Centripetal force
Waste heat for secondary uses
Decreased
Increases the energy

26. cogeneration uses...
Waste heat for secondary uses
Twice the work
Less on the moon
Sulfur

27. The gravitational force between two masses is inversely proportional to the square of the distance between those two objects.
Newtons third principle of Universal Gravitation
Near a maximum
Increases the energy
Less on the moon

28. Raising an auto in a service station requires work. Raising it twice as high requires...
First principle of Centripetal force
Near a maximum
Twice the work
Decreased

29. Entropy refers to...
263 degrees kelvin
Disorder
Mechanical - chemical - and radiant energy
Less on the moon

30. Which is not one of the fundamental forces of nature...
Universal
Second principle of Centripetal force
Movement
Sulfur

31. If the mass of a cart full of groceries decreases of half and its speed doubles - the momentum of the cart...
Remains unchanged
Increases the energy
Difference in the sped of light in water vs. air
Near a maximum